Saw-swaging machine



@No Mom.) 2 sheets-sheen 1.

E. B. RICH..

SAW SWAGING MAGHINE. No. 438,861. Patented Oct. 21, 1890.

2 Sheets-Sheet 2.

(No Model.)

E. B. RICH. SAW SWAGING MAGHINE.

No. 438,861. Patented OG1;.21,1890.I

UNITED STATES? ELISHA B. RICH, OF

CHICAGO, ILLINOIS.

SAW-SWAGING MACHINE.

SPECIFICATION forming part of Letters Patent N0. 438,861, dated October21, 1890.

Application filed December l0, 1889. Serial No. 333,265. (No model.)

To all whom it may concern:

Be it known that I, ELISHA B. RICH, a citizen of the United States, anda resident of Chicago, in the county of Cook and State of Illinois, haveinvented a certain new and useful Improvement in AutomatieSaw-Swages, ofwhich the following is a specification.

My invention relates to automatic sawswaging machines, and has foritsobject to provide a cheap, simple, and convenient machine.

My invention is illustrated in the accompanying drawings, wherein-Figure 1 is aside View of the machine. Fig. 2 is a plan view; Fig. 3, across-section; Fig.- 4, a detail view of a portion of the saw feedingand shifting mechanism. Figs. 5, 6, and 7 are enlarged details showing,respectively, the first, second, and third positions of the swagingdevices proper in operation.

Like parts are indicated by the same letter in all the figures.

A is the bed-plate or table of the machine,

supported on the legs B B and provided with a hanger C, on which issecured the block C', vertically adjustable by means of the screwrod C2and hand-wheel C2. On the block C is secured the slotted bar C4 toreceive the saw C5, and on this bar is adjustably secured the arm C6,having at its upper end the pressure-block C7, which normally holds thesaw in the position indicated in Fig. 3. Secured upon the table is thebed D.

E is the driving-wheel, loose on its shaft and provided with the clutchE', adapted to be engaged by the clutch E2, which is secured on thedriving-shaft E3, so as to slide thereon but rotate therewith. Thisclutch is secured to the cross-rod E4, which terminates in the handleE5, projecting beyond the face-plate E6. By means of this handle and rodthe drivin g-wheel may be thrown in or out of connection with thedriving-shaft. The drivingshaft carries the pinion F, which meshes withthe gear F on the shaft F2. This shaft also carries the eccentric F3,which drives the pitman F4, connected to the arm F5 on the rookshaft F6.On the opposite end of this rookshaft is the arm F7, to which isadjustably pivoted the feed-finger F8, adapted to engage the teeth ofthe saw C5, and thus successively feed the same forward tooth by tooth.On

the Wheel F is secured the cani-piece G, adapted to engage the rod Gwhich. passes transversely through the table A and engages the innerside of the saw C5. This rod when moved toward the saw by the cam Goperates in opposition to the spring C6. On the faceplate E is pivotedat H the hanger H, having the rear finger H2 and the lower removableswaging-tooth H3, shaped at its lower extremities substantially asshown. On the shaft F2 and outside the face-plate is supported theeccentric-roller H4, rotating between the finger H2 and the hanger H.The normal position of the hanger, roller, and shaft is adjusted bymeans of the sliding block H5, in which the shaft is journaled, and thecontrolling set-screw H6.

HT is a guide-piece bearing against the hanger and roller to keep theswaging-tooth in position against the face-plate.

J is a pinion on the shaft F2, meshing with the pinion J on the shaftJ2, which is journaled in the face-plate, and the outer end of which J 3is out at one side to serve asa rotatswaging-tooth H2.

The use and operation of my invention are as follows: The saw is placedin the grooved rest or piece C4, the same being adjusted by means of thehand-wheel C3 to such position as may be necessary to bring the teeth ofthe The saw is here normally held in the position indicated in Fig. 3,or in the line of such swaging parts. As the machine operates, the partsare so adjusted that when a tooth has been swaged the end of the rod Gis engaged by the cam G and the saw bent out of the line of theswaging-dies in opposition to the action of the spring C6. At the sametime the parts are so adjusted that the feeding-tooth FS performs itsexcursion and feeds the tooth next to be swaged past the die Whileitisthus bent out of the line of the dies, and thus the rod is released fromthe cam and the saw restored to its normal position, the next toothbeing substantially in the position indicated -in Fig. 5. The clutches EE2 being in Contact, the rotation of the shaft F2 continues and thecam-roller or eccentric H4 rotates, as does also the shaft J2 and endthereof J3. This rota.

tion swings the tooth H3 forward, and thus ing swaging die or anvil inopposition to the saw in the line of the swaging dies or parts.

brings the parts into the position indicated in Fig. 6. A continuationof the same motion swages the saw-tooth, as shown in Fig. 7, and acontinuation of the same motion releases the saw-tooth by swinging backthe swagingtooth H3, with its hanger H. The process of feeding the sawlast above described is now repeated and the next tooth brought betweenthe sWaging-dies. The screw HG may be operated to move the block H5, andthus set the eccentric H4 to an exceedingly nice adjustment. Vhen thesWaging-tooth H3 is worn or injured, it may be removed and anotherattached to the hanger H.

Having thus described my invention, what I claim, and desire to secureby Letters Patent, is as follows:

l. In an automatic saw-swaging device, the

ELISHA B. RICH. Witnesses:

DAvrDA J. JOHNSON, CELESTE P. CHAPMAN.

